IltmmMediaSampleDisp::get_BufferSize

#include "ltmm.h"

C Syntax

HRESULT IltmmMediaSampleDisp__get_BufferSize(pMediaSampleDisp, pVal)

C++ Syntax

HRESULT get_BufferSize(pVal)

 

IltmmMediaSampleDisp *pMediaSampleDisp;

/* pointer to an interface */

long *pVal;

/* pointer to a variable */

Retrieves the size of the sample buffer.

Parameter

Description

pMediaSampleDisp

Pointer to an IltmmMediaSampleDisp interface.

pVal

Pointer to a variable to be updated with the size of the buffer, in bytes.

Returns

S_OK

The function was successful.

<> S_OK

An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

The value obtained by this function is the maximum size of the buffer. Calling IltmmMediaSampleDisp::get_ActualDataLength retrieves the size occupied by the valid data.

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

See Also

Functions:

IltmmMediaSampleDisp::get_ActualDataLength, IltmmMediaSampleDisp::get_Buffer, IltmmMediaSampleDisp::get_Discontinuity, IltmmMediaSampleDisp::get_Preroll, IltmmMediaSampleDisp::get_SyncPoint, IltmmMediaSampleDisp::GetData, IltmmMediaSampleDisp::GetMediaTime, IltmmMediaSampleDisp::GetMediaType, IltmmMediaSampleDisp::GetTime, IltmmMediaSampleDisp::put_ActualDataLength, IltmmMediaSampleDisp::put_Discontinuity, IltmmMediaSampleDisp::put_Preroll, IltmmMediaSampleDisp::put_SyncPoint, IltmmMediaSampleDisp::ResetMediaTime, IltmmMediaSampleDisp::ResetTime, IltmmMediaSampleDisp::SetData, IltmmMediaSampleDisp::SetMediaTime, IltmmMediaSampleDisp::SetMediaType, IltmmMediaSampleDisp::SetTime

Topics:

Multimedia Function Group

 

IltmmMediaSampleDisp interface

 

ltmmMediaSample object

Example

For a C example, refer to Copying ltmmMediaSample attributes and data for C.

For a C++ example, refer to Copying ltmmMediaSample attributes and data for C++.